This guy gets it...

From a case I’m reading about the CEO of a for-profit social enterprise (develops technology for self-powered radios and other devices for the developing world—products outperform those of tech companies like sony by 100-500%):

“I could work in a soup kitchen to give back to society, but it would not be the best use of my skills.”

(more about the company here, and in Time magazine's article here)